As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG NR 4 SHORT CIRCUIT LIGHT ILLUMINATED MASTER FIRE AND FIRE HANDLE LIGHTS AFTER SHUT DOWN. DEFERRED NR 4 ENG B-LOOP FIRE WARNING. INSPECTED SYSTEM FOUND ELEMENT SHORTED OUT AND ONE CONNECTOR LOOSE. CORRECT PROBLEMS RING WIRES OPS CK NORMAL AS PER MM 26-10.